Possible Clues:

• Big name (well...technically, names...) in mail-order sex toys
• Race starters
• Couple getting credit for Eastenders
• Plant couple in the garden
• Believe Cockney, redesigning V&A, made basement in marble
• Ani DiFranco song about first couple?
• Would you believe it, in London they were thrown out of the garden
• Would you believe it in London they were thrown out of the garden
• Some early characters of Coppard
• Tragic, mad Dane greeting about first father and mother ...